geodevga: fix errors in geode_fp_* functions

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
geodevga: move framebuffer setup

Framebuffer setup has nothing to do with dc_setup(..) so
move it to  geodevga_init(..).

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
geodevga: move output setup to own function

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
geodevga: add debug to msr functions

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
geodevga: fix wrong define name

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>